Workshop Technology In a four high rolling mill, there are four rolls out of which Three are working rolls and one is backing up roll Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls All of the four are working rolls Three are working rolls and one is backing up roll Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls All of the four are working rolls ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thread rolling is restricted to Ductile materials Ferrous materials Hard materials None of these Ductile materials Ferrous materials Hard materials None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The directional solidification in casting can be improved by using Chaplets and padding Chills, chaplets and padding Chills and padding Chills and chaplets Chaplets and padding Chills, chaplets and padding Chills and padding Chills and chaplets ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature produced by oxy-hydrogen flame is about 3200°C 1800°C 2100°C 2400°C 3200°C 1800°C 2100°C 2400°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The material which can be best cut with oxygen cutting process is Copper Mild steel Aluminium Brass Copper Mild steel Aluminium Brass ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cores are used to Form a part of a green sand mould All of these Form internal cavities in the casting Improve mould surface Form a part of a green sand mould All of these Form internal cavities in the casting Improve mould surface ANSWER DOWNLOAD EXAMIANS APP
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